<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>并列选择器(没有空格)</title>
		<style type="text/css">
			div.demo{
				background:#557555;
			}
		</style>
	</head>
	<body>
		<div >
			1
		</div>
		<div class="demo">
			666
			<p class="demo">
				
			</p>
		</div>
	</body>
</html>
